Draba micropetala Hooker in W. E. Parry (Q3541)
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Draba micropetala is a taxon with the rank species within the genus Draba
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Draba micropetala Hooker in W. E. Parry
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Draba micropetala is a taxon with the rank species within the genus Draba
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Statements
taxon/id/Draba micropetala Hooker
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Draba micropetala Hooker
Draba micropetala
Hooker
FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
accepted
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Greenland, GL
present
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CA-NT
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Aiken, S.G., M.J. Dallwitz, L.L. Consaul, C.L., McJannet, R.L., Boles, G.W. Argus, J.M. Gillett, P.J. Scott, R. Elven, M.C. LeBlanc, L.J. Gillespie, A.K. Brysting, H. Solstad & J.G. Harris. 2007. Flora of the Canadian Arctic Archipelago: Descriptions, Illustrations, Identification, and Information Retrieval. [CD-ROM] NRC Research Press, National Research Council of Canada, Ottawa.
CA-NU
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Aiken, S.G., M.J. Dallwitz, L.L. Consaul, C.L., McJannet, R.L., Boles, G.W. Argus, J.M. Gillett, P.J. Scott, R. Elven, M.C. LeBlanc, L.J. Gillespie, A.K. Brysting, H. Solstad & J.G. Harris. 2007. Flora of the Canadian Arctic Archipelago: Descriptions, Illustrations, Identification, and Information Retrieval. [CD-ROM] NRC Research Press, National Research Council of Canada, Ottawa.
CA-QC
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Cayouette, J. (pers. comm.)
CA-NT
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CA-NU
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US-AK
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Stems unbranched, (0.05–) 0.15–0.7 (–1.1) dm, pubescent throughout, sometimes sparsely so distally, trichomes stalked, 2–4-rayed, and simple, 0.05–0.6 mm.
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petiole (base thickened), margin ciliate, (trichomes coarse, simple and 2-rayed, 0.3–1.3 mm);
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blade broadly oblanceolate to broadly obovate, 0.6–2 cm × 4–12 mm, margins entire, (apex obtuse to rounded, trichomes multibranched, subcruciform), surfaces pubescent abaxially with stalked, 2–4-rayed and, rarely, simple trichomes, 0.1–0.6 mm, adaxially glabrous or with mostly simple trichomes.
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Racemes 2–7 (–10) -flowered, ebracteate, often elongated in fruit;
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Fruiting pedicels divaricate to ascending, straight, 1–3 (–4) mm, pubescent as stem.
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Flowers: sepals oblong, 1.8–2.5 mm, pubescent, (trichomes simple, with short-stalked, 2-rayed ones);
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petals pale-yellow, narrowly spatulate or oblanceolate, 2–3 × (0.7–) 1–1.5 mm;
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anthers ovate, 0.3–0.4 mm.
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Fruits elliptic-ovate, plane, slightly flattened, 5–10 × 2–3.2 mm;
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valves often densely pubescent, trichomes simple and spurred, 0.1–0.5 mm;
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ovules (16–) 18–28 per ovary;
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style 0.05–0.3 mm (stigma about as wide as style).
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Seeds oblong, 1–1.1 × 0.5–0.6 mm. 2n = 48.
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stalked
sometimes sparsely; sparsely; distally
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broadly oblanceolate
broadly obovate
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with mostly simple trichomes
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